Liquid soap dispenser



FIG. 1 is a top, front, and left side perspective view of a liquid soap dispenser showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof; and,

FIG. 4 is a right side elevational view thereof. 

The ornamental design for a liquid soap dispenser, as shown. 